Question

Q.8. How much less 59 km that 45.9 km.​

Answer 1

45.9 kilometers per hour = 0.01275 kilometer per second

Formula: divide the value in kilometers per hour by 3600 because 1 kilometer per second equals 3600 kilometers per hour.

So, 45.9 kilometers per hour = 45.9

3600

= 0.01275 kilometer per second.